import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author gao
 * @date 2025/8/3 0:30
 */

public class Demo1 {
    private static AtomicInteger count = new AtomicInteger(0);
    public static void main(String[] args) throws InterruptedException {
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 5_000; i++) {
                // Java不支持运算符重载，所以这里不能写作count++
                count.getAndIncrement();
            }
        });

        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 5_000; i++) {
                count.getAndIncrement();
            }
        });

        t1.start();
        t2.start();

        t1.join();
        t2.join();

        System.out.println(count);
    }
}